Powershell invoke webrequest to get download file with credentials






















Mathias R. Jessen I m trying in powershell so i created a same function thats shown in above answer but still same error appears — naga4ce. Show 1 more comment.

Active Oldest Votes. Convert]::ToBase64String [System. Hunter Eidson Hunter Eidson 1, 11 11 silver badges 22 22 bronze badges. Add a comment. Henning Schwarten Henning Schwarten 11 2 2 bronze badges. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. You can additionally pass some information in the HTTP header request. For example, set the API key:. If you need to download a list of files in a batch, save their URLs to a plain txt file and use the following command to start the download:.

I'm trying to access a website that is protected by integrated Windows authentication. Now, this is easy to do if the script is running as the user that has access to the website with:. But I have to run this as a user that doesn't have access. In a browser this isn't a problem.

If you try to access a site the logged in user can't access, the server returns a and the browser asks you to input some different credential. I tried to duplicate this using something like. Is there a way to do what I'm trying to do? This won't work for my specific case though because the same script needs to do some file system operations that require being logged on as a different user.

To use the WebClient class, you need to initiate an object as a System. WebClient object. Then, using the DownloadFile method starts the download of the file from the source. Please copy the code below and run it in your PowerShell session to test.

However, the PowerShell prompt will be locked until the download is complete. If the source requires authentication to allow the file download, you can use the code below. Instead, use the System. HttpClient class. It appears that the WebClient class is obsolete, and the new class that Microsoft is endorsing is the HttpClient class.

The next section talks about using the HttpClient class in PowerShell to download files from the web. Like the WebClient class, you need to create first the System. Refer to the comments above each line to know what each line of code does. In situations where downloading a file requires authentication, you need to add the credential to the HttpClient object. To include a credential to the file download request, create a new System. HttpClientHandler object to store the credentials.

You can copy the code below and run it in PowerShell to test. Or you can also run it as a PowerShell script. In this example, the code is saved as download-file. At the start, the directory only has the script file in it. Then, the script proceeds to download the file. After downloading the file, you can see that the new file is now inside the destination directory.

Whether downloading password-protected sources, single or multiple files — a PowerShell way is available to you. This means that these methods apply to both Windows and Non-Windows systems, with the exclusion of Start-BitsTransfer. And since PowerShell is more than a command prompt, you can translate what you learned into scripts.



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